Dell PowerEdge R720 and R720xd Owner's Manual

PDF

Front-Panel Features And Indicators

Figure 1. Front-Panel Features and Indicators (3.5 Inch Chassis)—PowerEdge R720 The figure shows the front-panel features and indicators of PowerEdge R720 3.5 inch chassis.

The figure shows the front-panel features and indicators of PowerEdge R720 3.5 inch chassis.

Figure 2. Front-Panel Features and Indicators (2.5 Inch Chassis)—PowerEdge R720 The figure shows the front-panel features and indicators of PowerEdge R720 2.5 inch chassis.

The figure shows the front-panel features and indicators of PowerEdge R720 2.5 inch chassis.

Item	Indicator, Button, or Connector	Icon	Description
1	Power-on indicator, power button		The power-on indicator lights when the system power is on. The power button controls the power supply output to the system. NOTE: On ACPI-compliant operating systems, turning off the system using the power button causes the system to perform a graceful shutdown before power to the system is turned off.
2	NMI button		Used to troubleshoot software and device driver errors when running certain operating systems. This button can be pressed using the end of a paper clip. Use this button only if directed to do so by qualified support personnel or by the operating system's documentation.
3	System identification button		The identification buttons on the front and back panels can be used to locate a particular system within a rack. When one of these buttons is pressed, the LCD panel on the front and the system status indicator on the back flashes until one of the buttons is pressed again. Press to toggle the system ID on and off. If the system stops responding during POST, press and hold the system ID button for more than five seconds to enter BIOS progress mode. To reset iDRAC (if not disabled in F2 iDRAC setup) press and hold the button for more than 15 seconds.
4	Video connector		Allows you to connect a VGA display to the system.
5	LCD menu buttons		Allows you to navigate the control panel LCD menu.
6	Information tag		A slide-out label panel which allows you to record system information such as Service Tag, NIC, MAC address and so on as per your need.
7	LCD panel		Displays system ID, status information, and system error messages. The LCD lights blue during normal system operation. The LCD lights amber when the system needs attention, and the LCD panel displays an error code followed by descriptive text. NOTE: If the system is connected to a power source and an error is detected, the LCD lights amber regardless of whether the system is turned on or off.
8	Optical drive (optional)		One optional SATA DVD-ROM drive or DVD+/-RW drive.
9	Hard drives		3.5 inch hard drive systems Up to eight 3.5 inch hot-swappable drives. 2.5 inch hard drive systems Up to sixteen 2.5 inch hot-swappable hard drives. NOTE: In systems supporting Dell PowerEdge Express Flash devices (PCIe SSDs), hard-drive slots 0 through 3 in hard-drive bay 2 support only PCIe SSDs. Hard-drive bay 3 does not support any hard drives and is installed with a hard-drive blank.
10	vFlash media card slot		Allows you to insert a vFlash media card.
11	USB connectors (2)		Allows you to connect USB devices to the system. The ports are USB 2.0-compliant.
12	Tape drive slot (optional)		One optional 3.5 inch tape backup unit.

Figure 3. Front-Panel Features and Indicators (3.5 Inch Chassis)—PowerEdge R720xd The figure shows the front-panel features and indicators of PowerEdge R720xd 3.5 inch chassis.

The figure shows the front-panel features and indicators of PowerEdge R720xd 3.5 inch chassis.

Figure 4. Front-Panel Features and Indicators (2.5 Inch Chassis)—PowerEdge R720xd The figure shows the front-panel features and indicators of PowerEdge R720xd 2.5 inch chassis.

The figure shows the front-panel features and indicators of PowerEdge R720xd 2.5 inch chassis.

Item	Indicator, Button, or Connector	Icon	Description
1	Diagnostic indicators		The diagnostic indicators light up to display error status.
2	System identification button		The identification buttons on the front and back panels can be used to locate a particular system within a rack. When one of these buttons is pressed, the system status indicator on the back flashes until one of the buttons is pressed again. Press to toggle the system ID on and off. If the system stops responding during POST, press and hold the system ID button for more than five seconds to enter BIOS progress mode. To reset the iDRAC (if not disabled in F2 iDRAC setup) press and hold the button for more than 15 seconds.
3	Power-on indicator, power button		The power-on indicator lights when the system power is on. The power button controls the power supply output to the system. NOTE: On ACPI-compliant operating systems, turning off the system using the power button causes the system to perform a graceful shutdown before power to the system is turned off.
4	NMI button		Used to troubleshoot software and device driver errors when running certain operating systems. This button can be pressed using the end of a paper clip. Use this button only if directed to do so by qualified support personnel or by the operating system's documentation.
5	Hard drives		3.5 inch hard drive systems Up to twelve 3.5 inch hot-swappable hard drives. 2.5 inch hard drive systems Up to twenty-four 2.5 inch hot-swappable hard drives.
6	Video connector		Allows you to connect a VGA display to the system.
7	USB connector		Allows you to connect USB devices to the system. The port is USB 2.0-compliant.
8	Information tag		A slide-out label panel which allows you to record system information such as Service Tag, NIC, MAC address, and so on as per your need.